JN.1 variant triggers COVID-19 surge

Several states in Australia are seeing a surge in COVID cases driven by the JN.1 subvariant. The variant is highly transmissible and could be serious for vulnerable parts of the population. But most elderly Australians are not up to date with COVID vaccine booster shots, and that's causing concern among experts.

Several states in Australia are seeing a surge in COVID cases driven by the JN.1subvariant. Credit: JOEL CARRETT/AAPIMAGE